Streaming content that you do not own is "at-risk" content. We will take down streams which receive a valid DMCA request.
You can get advance permission from the owner of the copyrighted content. You can also look for content that is released under a Creative Commons license that covers the use you want to make.
Some content may fall under fair-use. If you are unsure whether you are making fair-use of copyrighted content, you should seek legal advice before using it.
Copyright holders may submit a DMCA claim.